PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/29-17:57:50
G05     48.8           17.8                8.4 +/-    1.63      19.5 +/-    1.63  0.060 / 0.070
G10     237.0          15.4               13.3 +/-    2.18      32.7 +/-    2.18  0.050 / 0.070
G13     72.5           35.0               11.7 +/-    1.06      18.6 +/-    1.06  0.130 / 0.340
G15     121.1          53.5               13.0 +/-    0.46      15.7 +/-    0.46  0.110 / 0.340
G16     312.1          13.4                6.3 +/-    2.39      16.3 +/-    2.39  0.050 / 0.110
G20     250.5          39.6               11.5 +/-    1.76      16.9 +/-    1.76  0.060 / 0.120
G21     314.7          47.3               11.3 +/-    1.02      14.8 +/-    1.02  0.030 / 0.040
G25     199.1          10.6               14.1 +/-    2.41      38.8 +/-    2.41  0.030 / 0.050
G26     285.8          20.0                7.1 +/-    1.48      15.5 +/-    1.48  0.090 / 0.170
G29     154.7          71.5               12.2 +/-    0.38      12.8 +/-    0.38  0.140 / 0.150